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Priority claimed from US06/430,897external-prioritypatent/US4466464A/en
Priority claimed from US06/431,535external-prioritypatent/US4466465A/en
Priority claimed from US06/432,053external-prioritypatent/US4466466A/en
Priority claimed from US06/429,395external-prioritypatent/US4466463A/en
Application filed by Union Carbide CorpfiledCriticalUnion Carbide Corp
Priority claimed from EP19830109743external-prioritypatent/EP0106237B1/en
Application grantedgrantedCritical
Publication of ATE20806T1publicationCriticalpatent/ATE20806T1/en